Consisting of or covered with feathers.(adjective)
Resembling a feather or plume.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "plumy" in a sentence
"And thanks to Stewart's plumy voice and dramatic personae, even a casual remark or gesture has import."
"And in that look is the end of innocence, of benevolent patronage, an era when strolling architects and plumy journalists can gossip complacently about how they have arranged a good time for the rest of us."
"He was a schmoozer, speaking in plumy tones as he negotiated during long phone calls with the vendors."